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SUNRPC: Change the default limit to the number of TCP slots

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Since the scheme of limiting the number of TCP slots to whatever will
fit in the current TCP window seems to be working well (Andy reports
getting within 20% of the 'iperf' send performance on a 10GigE link)
we should just let that be the default mode of operation.

Users may still set their own limits using the tcp_max_slot_table_entries
parameter if they need to.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2012-02-06 15:18:48 -05:00
parent 5753cba176
commit 883381246c
2 changed files with 2 additions and 2 deletions
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2
include/linux/nfs_fs_sb.h
View File

@ -190,7 +190,7 @@ struct nfs_server {
/* maximum number of slots to use */
#define NFS4_MAX_SLOT_TABLE RPC_MAX_SLOT_TABLE
#define NFS4_MAX_SLOT_TABLE (128U)
#if defined(CONFIG_NFS_V4)

2
include/linux/sunrpc/xprt.h
View File

@ -21,8 +21,8 @@
#define RPC_MIN_SLOT_TABLE (2U)
#define RPC_DEF_SLOT_TABLE (16U)
#define RPC_MAX_SLOT_TABLE (128U)
#define RPC_MAX_SLOT_TABLE_LIMIT (65536U)
#define RPC_MAX_SLOT_TABLE RPC_MAX_SLOT_TABLE_LIMIT
/*
* This describes a timeout strategy